NANOSYSTEM
FABRICATION
FACILITY
(NFF),
HKUST
Version
1.0
Page 11 of 18
11. Press “ABORT” button and replace a new crystal
12. Press “RESET” for verify crystal health is achieved to 98-99%
Single Vacuum Chamber
Source Material
Correct Crucible
Al
C1
Ti
C2
Ni
C3
Au
C4
4.8 Load wafers
1. Load samples on to wafer holders or wafers face down on the planetary. The
outer circle of planetary is recommended for better uniformity.
2. To verify thickness load a bare Si wafer with a mask partially covering it for a
step height thickness monitor. The mask can be a partial wafer or Anti-static
polyimide film silicone adhesive tape.
3. Last chance to check you put inside samples and change crystal.
4.9 Pump down
1. When finish your samples load, close the chamber door and it will
automatically start to pump down.
2.
DON’T GO AWAY YET!
3. Monitor the pump down to be sure the chamber door was correctly closed:
a. Verify that the roughing pump and roughing valve turn on within